- goodmorning,mydearteachers,mydearprofessors.iamverygladtobehereforyournameissongyonghao,iam22yearsold.icomefromluoyang,averybeautifulaicentundergratuadeperiodwillbeaccomplishedinchang'anuniversityinjuly,20xx;andnow,iamtryingmybestforobtainingakeytoton...
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